Curated OER
Addition: Number Bonds to 10
You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.
Chicago Botanic Garden
Weather or Not
What is the difference between weather and climate? This is the focus question of a lesson that takes a deeper look at how weather data helps determine climate in a region. Using weather and climate cards, students decide if a statement...
Science Matters
Potential and Kinetic Energy
Everything has potential energy; learning to use it is the key to understanding all types of energy. Scholars learn the difference between kinetic and potential energy. They then apply the concept to drawing examples of both types of...
While They Watched
Teaching the Holocaust
What is the difference between prejudice and discrimination? Between collaborators and bystanders? Guilt and responsibility? Prompt learners to think critically about a very complex and textured topic with an innovative packet of materials.
Curated OER
Two-Digit Subtraction With and Without Regrouping
Second graders subtract two-digit numbers. In this mathematics lesson, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.
Noyce Foundation
Apple Farm Field Trip
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...
EngageNY
Peer Critique and Revising: Formal English
Dear Sir or Madam: What's the difference between formal and informal language? Scholars focus on using formal English and transitions in their position papers. After revising their rough drafts, they engage in the peer editing process...
Curated OER
The Difference Bar 1
Students use mental strategies to work out the difference between 2 two-digit numbers where the answer is less than ten. They write and solve difference problems where one number is a two-digit number and the other is a single digit...
Curated OER
Lesson 10 What is an Initial Public Offering (IPO)?
Students understand the difference between primary and secondary stock markets. Through the activities in this lesson plan, students predict the next best time to invest in IPOs for the Global Stock Game.
Curated OER
Subtracting Decimals #2
Subtraction is more fun when there's money involved! Fourth graders subtract amounts of money and units of measurement in sixteen vertical and horizontal problems. The last two problems are word problems, helping your kids practice...
DK Publishing
Subtracting Big Numbers, part 2
Get some subtraction practice with a multi-faceted math worksheet. After reviewing two sample subtraction problems at the top of the page, third graders solve for the differences of vertical problems, horizontal problems, and word...
DK Publishing
Subtracting Big Numbers
Do your third graders get nervous when working with larger numbers? Help them get some practice subtracting big numbers in different contexts. After working through twenty-two straightforward problems, four of which include units of...
DK Publishing
Real-Life Problems: Distance, Length, and More
Math just got real! Scholars solve seven word problems dealing with life applications for multiplication, division, and subtraction. They show their work in a designated space, and must include units in their answers. Learners will work...
American Chemical Society
Powder Particulars
By both demonstration and hands-on investigation, physical science fanatics come to know that some materials react when they come together. Adding vinegar to both baking soda and to baking powder, the difference between the two is clear....
National Wildlife Federation
Wherefore Art Thou, Albedo?
In the sixth lesson in a series of 21, scholars use NASA data to graph and interpret albedo seasonally and over the course of multiple years. This allows learners to compare albedo trends to changes in sea ice with connections to the...
Curated OER
Math Worksheet: Horizontal Mixed Addition and Subtraction with 1 Negative Number #2
In this online interactive horizontal addition and subtraction worksheet, students practice their math skills as they solve 15 problems that require them to add or subtract with 1 negative number. The answers may be typed in on the...
Curated OER
The First Part Last: Part One
In this The First Part Last comprehension check worksheet, pupils respond to 25 short answer questions pertaining to part 1 of the Angela Johnson novel to better understand the novel and the author's craft.
Curated OER
Find the Difference
In this subtraction worksheet, students find the difference between the two numbers in the boxes. Students are also asked to find all the pairs of whole tens there are in a given number.
Curated OER
Fact Families
With a few extra numbers, these fact families would be complete! After looking at an example, scholars write in the sums and differences for six equations as part of three different fact families. This is really for beginners to this...
EngageNY
Summarizing Bivariate Categorical Data with Relative Frequencies
It is hard to determine whether there is a relationship with the categorical data, because the numbers are so different. Working with a familiar two-way table on super powers, the class determines relative frequencies for each cell and...
Curated OER
The Difference Between Acids and Bases Using Different Indicators
Students identify the differences between acids and bases. In this acids and bases lesson plan, students identify and distinguish between acids and bases. They use household products to test the ph levels. They test the ph levels by...
Curated OER
Math in English Skills IV Exercise Book: Multi-Digit Addition, Subtraction, Multiplication and Division
No one can deny the relationship between addition, subtraction, multiplication, and division. However, it's not always easy for learners to see the connection between basic operations. Help your class by providing them with an entire...
World Wildlife Fund
Take 6
Investigate the various properties of the number six with this elementary math lesson. From simple addition, subtraction, multiplication, and division problems to the creation of hexagonal tessellations, this lesson covers all aspects of...
DK Publishing
Subtracting Decimals
Working with decimals or money math? Give your class some practice with subtraction and place value. After solving 18 subtraction problems with decimals and money units, fourth graders work on two word problems. A great homework...